|
Expansion Joint Types / Unit
|
American BOA |
U.S. Bellows |
Single |
|
S |
Hinged |
A |
HIN_S, HIN_U |
Gimbal |
G |
GIM_S, GIM_U |
Pressure Balanced Elbow |
PB |
PB_S, PB_U |
Inline Pressure Balanced |
PBI |
PBI_S, PBI_U |
Universal |
U |
U |
External Pressure |
X |
X |
Type End Fittings
|
American BOA |
U.S. Bellows |
Fixed Forged Flangesd |
FS |
F01, F04 |
Fixed Plate Flanges |
FSP |
F01, F04 |
Floating Forged Flanges One End |
FL |
F01, F04 |
Floating Plate Flange One End |
FLP |
F01, F04 |
Floating Forged Flanges Both Ends |
FLL |
V01, V04 |
Floating Plate Flanges Both Ends |
FLLP |
V01, V04 |
Weld Ends |
W |
W |
Customer Special |
CS |
F01, F04 |
Bellows Series
American BOA’s series number is based upon the pressures, temperatures, movements and cycle life for the expansion joint application. Please call us toll free, 1-800-787-5914, if you have any questions.
Optional Features
|
American BOA |
U.S. Bellows |
Liner or Inner Sleeve |
L |
L |
Shroud or Outer Cover |
S |
C# (C Followed by Material Number) |
Tie Rods |
T |
T# (T Followed by Material Number) |
Limit Rods |
R |
T# (T Followed by Material Number) |
Control Rods |
V |
T# (T Followed by Material Number) |
Drain Port |
D |
XD (X-Flex Joints Only) |
Purge Port |
P |
XD (X-Flex Joints Only) |
Anchor Base |
A |
XD (X-Flex Joints Only) |
Bellows Material Class
|
American BOA |
U.S. Bellows |
304 SS |
M1 |
4 |
304L SS |
M2 |
4 |
316 SS |
M3 |
16 |
316L SS |
M4 |
16 |
321 SS |
M5 |
21 |
Monel 400 |
M6 |
40 |
Inconel 600 |
M7 |
60 |
Incoloy 825 |
M8 |
82 |
Nickel 200 |
M9 |
200 |
310 SS |
M11 |
10 |
Inconel 625 |
M15 |
62 |
NOTE: This cross reference is for application use only. Items may not be identical in shape or dimension. Check with U.S. Bellows if in doubt. For questions call Toll-free 1-800-787-5914 |